BR0012996A - Metódo e equipamento para determinar o ponto de ajuste de controle de potência em malha fechada em um sistema de comunicação sem fio de dados em pacote - Google Patents

Metódo e equipamento para determinar o ponto de ajuste de controle de potência em malha fechada em um sistema de comunicação sem fio de dados em pacote

Info

Publication number
BR0012996A
BR0012996A BR0012996-8A BR0012996A BR0012996A BR 0012996 A BR0012996 A BR 0012996A BR 0012996 A BR0012996 A BR 0012996A BR 0012996 A BR0012996 A BR 0012996A
Authority
BR
Brazil
Prior art keywords
power control
equipment
pilot
communication system
determining
Prior art date
Application number
BR0012996-8A
Other languages
English (en)
Inventor
Funyun Ling
Peter J Black
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR0012996A publication Critical patent/BR0012996A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/08—Closed loop power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/12—Outer and inner loops
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/20—TPC being performed according to specific parameters using error rate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
    • H04W52/225—Calculation of statistics, e.g. average, variance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
    • H04W52/282—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission taking into account the speed of the mobile
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
    • H04W52/286—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission during data packet transmission, e.g. high speed packet access [HSPA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)

Abstract

"MéTODO E EQUIPAMENTO PARA DETERMINAR O PONTO DE AJUSTE DE CONTROLE DE POTêNCIA EM MALHA FECHADA EM UM SISTEMA DE COMUNICAçãO SEM FIO DE DADOS EM PACOTE. A presente invenção consiste de um método e um equipamento novos e aperfeiçoados para efetuar o controle de potência em malha fechada. é descrito um método para implementar o loop externo de link reverso usando apenas o sinal piloto. Tal método é especialmente útil quando os sinais de dados estão presentes apenas em rajadas curtas de tal forma que as taxas de erros de pacotes ou frames (PER ou FER) não podem ser estimadas acuradamente. Ademais, uma vez que tal método propicia um mecanismo para o ajuste acurado do "set point" mesmo sem uma estimativa de PER (FER), ele pode também ser usado para melhorar a acuracidade do desempenho do loop externo quando tal estimativa se torna disponível. A presente invenção estima uma "taxa de erro de bit piloto" (PBER) (200) em que cada "bit" de piloto consiste de um número de chips piloto distribuídos através de um frame. Além disso, ela estima a variância normalizada da energia de sinal (ou C/I) (202) para cada pacote.
BR0012996-8A 1999-08-06 2000-08-03 Metódo e equipamento para determinar o ponto de ajuste de controle de potência em malha fechada em um sistema de comunicação sem fio de dados em pacote BR0012996A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/370,081 US6633552B1 (en) 1999-08-06 1999-08-06 Method and apparatus for determining the closed loop power control set point in a wireless packet data communication system
PCT/US2000/021442 WO2001011800A1 (en) 1999-08-06 2000-08-03 Method and apparatus for determining the closed loop power control set point in a wireless packet data communication system

Publications (1)

Publication Number Publication Date
BR0012996A true BR0012996A (pt) 2002-06-18

Family

ID=23458135

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0012996-8A BR0012996A (pt) 1999-08-06 2000-08-03 Metódo e equipamento para determinar o ponto de ajuste de controle de potência em malha fechada em um sistema de comunicação sem fio de dados em pacote

Country Status (11)

Country Link
US (3) US6633552B1 (pt)
EP (1) EP1201045A1 (pt)
JP (1) JP4574924B2 (pt)
KR (2) KR100725429B1 (pt)
CN (1) CN1165118C (pt)
AU (1) AU6523900A (pt)
BR (1) BR0012996A (pt)
CA (1) CA2380005A1 (pt)
HK (1) HK1046595B (pt)
MX (1) MXPA02001282A (pt)
WO (1) WO2001011800A1 (pt)

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Also Published As

Publication number Publication date
US6633552B1 (en) 2003-10-14
US7088957B2 (en) 2006-08-08
WO2001011800A1 (en) 2001-02-15
KR100787841B1 (ko) 2007-12-27
CN1369147A (zh) 2002-09-11
MXPA02001282A (es) 2002-08-12
JP4574924B2 (ja) 2010-11-04
KR100725429B1 (ko) 2007-06-07
KR20070038170A (ko) 2007-04-09
AU6523900A (en) 2001-03-05
JP2003506958A (ja) 2003-02-18
HK1046595B (zh) 2005-04-22
HK1046595A1 (en) 2003-01-17
CA2380005A1 (en) 2001-02-15
CN1165118C (zh) 2004-09-01
US20040062225A1 (en) 2004-04-01
KR20020016936A (ko) 2002-03-06
US7835695B2 (en) 2010-11-16
US20060270358A1 (en) 2006-11-30
EP1201045A1 (en) 2002-05-02

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